Home / 9,521,890.98-13,144,230.32-6,428,602.72

Finding the Fourth Proportional to 9,521,890.98, 13,144,230.32 and 6,428,602.72

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Solution

The fourth proportional to 9,521,890.98, 13,144,230.32 and 6,428,602.72 is: 8,874,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,890.98 : 13,144,230.32 = 6,428,602.72 : x
  2. Step 2: Convert to fraction form
    9,521,890.98/13,144,230.32 = 6,428,602.72/x
  3. Step 3: Cross multiply
    9,521,890.98x = 13,144,230.32 × 6,428,602.72
  4. Step 4: Simplify right side
    9,521,890.98x = 84,499,034,787,458.47
  5. Step 5: Solve for x
    x = 84,499,034,787,458.47/9,521,890.98
  6. Step 6: Final answer
    x = 8,874,186.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.